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GB2305797B - Video data compression - Google Patents

Video data compression

Info

Publication number
GB2305797B
GB2305797B GB9519730A GB9519730A GB2305797B GB 2305797 B GB2305797 B GB 2305797B GB 9519730 A GB9519730 A GB 9519730A GB 9519730 A GB9519730 A GB 9519730A GB 2305797 B GB2305797 B GB 2305797B
Authority
GB
United Kingdom
Prior art keywords
video data
data compression
compression
video
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9519730A
Other versions
GB9519730D0 (en
GB2305797A (en
Inventor
Jonathan James Stone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Europe BV United Kingdom Branch
Original Assignee
Sony United Kingdom Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony United Kingdom Ltd filed Critical Sony United Kingdom Ltd
Priority to GB9519730A priority Critical patent/GB2305797B/en
Publication of GB9519730D0 publication Critical patent/GB9519730D0/en
Priority to JP8239318A priority patent/JPH09154143A/en
Priority to US08/716,060 priority patent/US5835146A/en
Publication of GB2305797A publication Critical patent/GB2305797A/en
Application granted granted Critical
Publication of GB2305797B publication Critical patent/GB2305797B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB9519730A 1995-09-27 1995-09-27 Video data compression Expired - Fee Related GB2305797B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9519730A GB2305797B (en) 1995-09-27 1995-09-27 Video data compression
JP8239318A JPH09154143A (en) 1995-09-27 1996-09-10 Video data compression method
US08/716,060 US5835146A (en) 1995-09-27 1996-09-19 Video data compression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9519730A GB2305797B (en) 1995-09-27 1995-09-27 Video data compression

Publications (3)

Publication Number Publication Date
GB9519730D0 GB9519730D0 (en) 1995-11-29
GB2305797A GB2305797A (en) 1997-04-16
GB2305797B true GB2305797B (en) 2000-03-01

Family

ID=10781374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9519730A Expired - Fee Related GB2305797B (en) 1995-09-27 1995-09-27 Video data compression

Country Status (3)

Country Link
US (1) US5835146A (en)
JP (1) JPH09154143A (en)
GB (1) GB2305797B (en)

Families Citing this family (24)

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US6542642B2 (en) * 1996-02-29 2003-04-01 Canon Kabushiki Kaisha Image coding process and motion detecting process using bidirectional prediction
GB9607591D0 (en) * 1996-04-12 1996-06-12 Snell & Wilcox Ltd Playback and monitoring of compressed bitstreams
JP2000324498A (en) 1999-05-13 2000-11-24 Nec Corp Video encoding device
GB2360662B (en) * 1999-05-13 2002-01-09 Nec Corp Picture coding apparatus
US7367042B1 (en) 2000-02-29 2008-04-29 Goldpocket Interactive, Inc. Method and apparatus for hyperlinking in a television broadcast
US7343617B1 (en) 2000-02-29 2008-03-11 Goldpocket Interactive, Inc. Method and apparatus for interaction with hyperlinks in a television broadcast
US7120924B1 (en) 2000-02-29 2006-10-10 Goldpocket Interactive, Inc. Method and apparatus for receiving a hyperlinked television broadcast
US6650103B2 (en) 2001-05-31 2003-11-18 Analog Devices, Inc. Magnetic snapback sensor circuit and electrostatic discharge circuit using same
US7609763B2 (en) 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US20050013498A1 (en) 2003-07-18 2005-01-20 Microsoft Corporation Coding of motion vector information
US7499495B2 (en) 2003-07-18 2009-03-03 Microsoft Corporation Extended range motion vectors
US7623574B2 (en) * 2003-09-07 2009-11-24 Microsoft Corporation Selecting between dominant and non-dominant motion vector predictor polarities
US7599438B2 (en) 2003-09-07 2009-10-06 Microsoft Corporation Motion vector block pattern coding and decoding
US7567617B2 (en) 2003-09-07 2009-07-28 Microsoft Corporation Predicting motion vectors for fields of forward-predicted interlaced video frames
US7616692B2 (en) * 2003-09-07 2009-11-10 Microsoft Corporation Hybrid motion vector prediction for interlaced forward-predicted fields
US8064520B2 (en) * 2003-09-07 2011-11-22 Microsoft Corporation Advanced bi-directional predictive coding of interlaced video
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7620106B2 (en) * 2003-09-07 2009-11-17 Microsoft Corporation Joint coding and decoding of a reference field selection and differential motion vector information
KR100669634B1 (en) * 2004-12-06 2007-01-15 엘지전자 주식회사 How to compress and restore your video
US20060233258A1 (en) * 2005-04-15 2006-10-19 Microsoft Corporation Scalable motion estimation
JP4856954B2 (en) * 2005-06-08 2012-01-18 パナソニック株式会社 Image encoding device
US8155195B2 (en) * 2006-04-07 2012-04-10 Microsoft Corporation Switching distortion metrics during motion estimation
US8494052B2 (en) * 2006-04-07 2013-07-23 Microsoft Corporation Dynamic selection of motion estimation search ranges and extended motion vector ranges
US20070268964A1 (en) * 2006-05-22 2007-11-22 Microsoft Corporation Unit co-location-based motion estimation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577418A2 (en) * 1992-07-03 1994-01-05 Matsushita Electric Industrial Co., Ltd. Apparatus for motion compensation coding of digital video signal
EP0658057A2 (en) * 1993-12-13 1995-06-14 Sharp Kabushiki Kaisha Moving image coder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985768A (en) * 1989-01-20 1991-01-15 Victor Company Of Japan, Ltd. Inter-frame predictive encoding system with encoded and transmitted prediction error
EP0715469B1 (en) * 1989-10-14 2001-09-12 Sony Corporation Video signal coding/decoding method and apparatus
EP0683615B1 (en) * 1990-10-31 1999-05-19 Victor Company Of Japan, Ltd. Compression method for interlace moving image signals
DE69227352T2 (en) * 1991-11-12 1999-04-15 Nippon Hoso Kyokai, Tokio/Tokyo Method and system for performing highly effective image signal coding
US5227878A (en) * 1991-11-15 1993-07-13 At&T Bell Laboratories Adaptive coding and decoding of frames and fields of video
JP3443867B2 (en) * 1992-06-26 2003-09-08 ソニー株式会社 Image signal encoding / decoding method and image signal recording medium
JPH0614313A (en) * 1992-06-29 1994-01-21 Canon Inc Image processing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577418A2 (en) * 1992-07-03 1994-01-05 Matsushita Electric Industrial Co., Ltd. Apparatus for motion compensation coding of digital video signal
EP0658057A2 (en) * 1993-12-13 1995-06-14 Sharp Kabushiki Kaisha Moving image coder

Also Published As

Publication number Publication date
JPH09154143A (en) 1997-06-10
GB9519730D0 (en) 1995-11-29
GB2305797A (en) 1997-04-16
US5835146A (en) 1998-11-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030927